In(3x-9)=21

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Solution for In(3x-9)=21 equation:


Simplifying
In(3x + -9) = 21

Reorder the terms:
nI(-9 + 3x) = 21
(-9 * nI + 3x * nI) = 21
(-9nI + 3nxI) = 21

Solving
-9nI + 3nxI = 21

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Reorder the terms:
-21 + -9nI + 3nxI = 21 + -21

Combine like terms: 21 + -21 = 0
-21 + -9nI + 3nxI = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-7 + -3nI + nxI) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-7 + -3nI + nxI)' equal to zero and attempt to solve: Simplifying -7 + -3nI + nxI = 0 Solving -7 + -3nI + nxI = 0 Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + -3nI + 7 + nxI = 0 + 7 Reorder the terms: -7 + 7 + -3nI + nxI = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -3nI + nxI = 0 + 7 -3nI + nxI = 0 + 7 Combine like terms: 0 + 7 = 7 -3nI + nxI = 7 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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